Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t ...

UK’s largest used EV battery survey reveals the average state of health for electric cars of all ages is 95 per cent ...

A hybrid has two batteries, and the bigger one matters more than most drivers realize. Here's what can happen when it fails, plus signs to watch for.

Automakers in China and Europe are moving real electric vehicle programs to sodium-ion batteries ...

The 12-volt battery is one of the least complex components in modern vehicles but one of the most crucial. If it’s not in good condition, the engine won’t start, nor can any of the vehicle’s fancy ...

The technology promises better cold-weather performance, lower costs, and fewer global trade problems.

Key fob batteries always seem to die at the worst times. Learn a simple way to test a coin cell, plus which results you'll ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

You try to turn on your car, and it just won’t start. Maybe the dashboard doesn’t even light up. A likely cause: The 12-volt battery is dead. All cars lose a little battery power when parked. If you ...

Few things can be more frustrating for a car owner than a dead battery. That's in no small part due to the relatively helpless feeling that tends to accompany being stranded without a functional ...

Karma Automotive has not made a fully electric model yet. Its first one could ditch lithium-ions altogether for a solid-state ...